/*
 * Copyright (C) 2010 Fred Barrie This program is free software: you can
 * redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version. This program is distributed
 * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received
 * a copy of the GNU General Public License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 */
package org.aergia.vinny.engine.servicetime;

import org.aergia.vinny.core.ApiResult;
import org.aergia.vinny.database.Database;
import org.aergia.vinny.database.pojo.VinnyOption;

/**
 * @author fred
 */
public final class ServiceTimeCalculatorFactory {

	public static ServiceTimeCalculator newInstance(final Database database) {
		ServiceTimeCalculator calculator = null;
		final boolean useOperatingHours = ServiceTimeCalculatorFactory.getUseOperatingHours(database);
		if (useOperatingHours) {
			calculator = new OperatingHoursCalculator(database);
		}
		return calculator;
	}

	private static boolean getUseOperatingHours(final Database database) {
		boolean result = true;
		final ApiResult<VinnyOption> option = database.getOption(VinnyOption.USE_OPERATING_HOURS);
		if (!option.isError()) {
			try {
				result = Boolean.parseBoolean(option.getResult().getValue());
			} catch (final NumberFormatException nfe) {
				// ignore
			}
		}
		return result;
	}

	private ServiceTimeCalculatorFactory() {
		// empty
	}
}
